Pull the codes.
Check the full throttle switch operation.
Check the fuel distributor plate.
have the fuel mixture checked.
Good luck. I have similar problem with mine but not quite so severe.
Lino
----- Original Message -----
From: "David Ellis" <David at icallshotgun.com>
To: <quattro at audifans.com>
Sent: Sunday, August 15, 2004 8:15 PM
Subject: Poor running 90Q
> Hi Gang
>> I just got a 1989 Audi 90Q 10V. It had been sitting a while, so I changed
> the oil/filter and spark plugs and cleaned out the ISV, put a fresh tank
of
> Super unleaded and a new battery. Everything looks OK, & engine cylinder
> compression is good on all 5. The car will start and run but idles very
low
> and when you rev it up it sounds like it is missing or not running on all
5
> cylinders. And it is hard to get it to rev over 3500 RPM in neutral.
> Needless to say it does not drive well at all, you have to slip the clutch
> just to get it up the driveway.
>> I checked all the fuses, especially the ones under the red cover that say
> "MOTOR-MOTEUR" which I believe powers the ECU
>> Any other ideas on what to check?
>> Thanks for any ideas!!
>> David E.
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